201620964220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775465247}}^1$

素因数の和:775465269

約数の個数: 24

約数和(自身を含む): 455973565824

約数和(自身を除く): 254352601604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775465247, 1550930494, 3101860988, 3877326235, 7754652470, 10081048211, 15509304940, 20162096422, 40324192844, 50405241055, 100810482110, 201620964220]

約数ペア:

[(1, 201620964220), (2, 100810482110), (4, 50405241055), (5, 40324192844), (10, 20162096422), (13, 15509304940), (20, 10081048211), (26, 7754652470), (52, 3877326235), (65, 3101860988), (130, 1550930494), (260, 775465247)]